2015-07-30 14:55:24 -07:00
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// Licensed to the Software Freedom Conservancy (SFC) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The SFC licenses this file
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// to you under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "FileUtilities.h"
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2017-02-14 09:48:56 -08:00
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#include "StringUtilities.h"
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2015-07-30 14:55:24 -07:00
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#define FILE_LANGUAGE_INFO L"\\VarFileInfo\\Translation"
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#define FILE_VERSION_INFO L"\\StringFileInfo\\%04x%04x\\FileVersion"
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namespace webdriver {
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FileUtilities::FileUtilities(void) {
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}
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FileUtilities::~FileUtilities(void) {
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}
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std::string FileUtilities::GetFileVersion(const std::string& file_name) {
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return GetFileVersion(StringUtilities::ToWString(file_name));
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}
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std::string FileUtilities::GetFileVersion(const std::wstring& file_name) {
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struct LANGANDCODEPAGE {
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WORD language;
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WORD code_page;
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} *language_info;
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DWORD dummy = 0;
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DWORD length = ::GetFileVersionInfoSize(file_name.c_str(), &dummy);
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if (length == 0) {
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return "";
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}
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std::vector<char> version_buffer(length);
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::GetFileVersionInfo(file_name.c_str(),
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0, /* ignored */
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length,
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&version_buffer[0]);
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UINT page_count;
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BOOL query_result = ::VerQueryValue(&version_buffer[0],
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FILE_LANGUAGE_INFO,
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reinterpret_cast<void**>(&language_info),
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&page_count);
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std::vector<wchar_t> sub_block(MAX_PATH);
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_snwprintf_s(&sub_block[0],
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MAX_PATH,
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MAX_PATH,
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FILE_VERSION_INFO,
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language_info->language,
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language_info->code_page);
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std::wstring sub_block_string = &sub_block[0];
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void* value = NULL;
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unsigned int size;
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query_result = ::VerQueryValue(&version_buffer[0],
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sub_block_string.c_str(),
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&value,
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&size);
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std::wstring wide_version;
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wide_version.assign(static_cast<wchar_t*>(value));
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std::string version = StringUtilities::ToString(wide_version);
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return version;
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}
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} // namespace webdriver
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